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T <br /> Environmental LOG OF BORING NO. B-1 IMAGE .1.. of-1- <br /> Science & PROJECT NO 02-531-001 DATE 5/14/90 <br /> I Engmeersng, Inc <br /> 597 Center Avenue, State 350 CLIENT DATA TRUCK SALES REF ELEV. <br /> Martinez, California 94553 SITE LOCATION STOCKTON. CA METHOD HOLLOW—STEM <br /> 415-372-3837 AUGER <br /> I BORING LOCATION. AROUND UNDERGROUND <br /> STORAGE TANKS <br /> � s HOLE DIA. 7 INCHES Q <br /> t V a- J o r DRILLER GREGG DRILLING V <br /> CL LOGGED BY PAUL GRAFF <br /> UjUj 0 J m a. vii a 2n SUPERVISOR. SUE WICKHAM, RG-3851 _j Z <br /> > 7" DESCRIPTION w3 0L <br /> 0 ASPHALT, base coarse gravel, some block clay <br /> IIV- <br /> ML SILT, dark brown, no odor, some clay lumps, dry, some coarse Q <br /> sand and gravel <br /> 5 aRING 0 SILTY SAND, light—medium brown, very fine—grained, very <br /> 1 9 10 5 FT SM homogeneous (poorly graded), looks like fill. no odor <br /> IV <br /> RIG <br /> • 10 ' lit{ ''�' 111 X48 10 FT SM SILTY SAND, as above, slight odor, loose <br /> '.I�. .t .t <br /> ! F� ' V <br />' 15 ; RING ® Q <br /> 11 2 15 FT ISL SANDY SILT, more fine than above, maybe a very slight odor <br /> � i <br /> S 1 <br /> i ) ill <br /> 20 <br /> RING ® SANDY SILT, medium—brown as above but more fines and clay, <br />' 25 2 20 FT ML no odor <br /> TOTAL DEPTH=20 FEET <br /> Boring back—filled with 3/B" bentonite hole plug to surface <br /> 1 <br />' COMMENTS <br /> Sampling Interval <br /> Sample sent to laboratory for analysis <br /> 1 <br />